.register-input p{
    width: 60px;
    display: inline-block;
    position: relative;
    margin: 20px 10px 0px 50px;
}
.register-input input{
    display: inline-block;
    width: 30%;
    height: 30px;
    border-radius: 2px;
    overflow: hidden;
}

.register-btn{
    margin-left: 40px;
    padding: 2px 10px;
}